<?php

include_once '.\Product.php';

class ShippableProduct implements Product
{
    private $productPrice;

    private $shippingCosts;

    public function __construct($productPrice, $shippingCosts)
    {
        $this->productPrice = $productPrice;
        $this->shippingCosts = $shippingCosts;
    }

    public function calculatePrise()
    {
        return $this->shippingCosts + $this->shippingCosts;
    }
}